Wollaston Prism Pattern Camera Lucida, by Day

Wollaston prism pattern camera lucida, with pin and case. The camera lucida has a trapezoid-shaped prism-containing component that is joined to a shaft via a see-saw hinge that swivels. The other end of the shaft has a clamp, for attaching to the edge of a table. The pin was found in the case with the camera lucida. The wooden case is covered with red leather.